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Aplasia Of The Middle Phalanx Of The Hand C1862096

Published: July 22, 2026Updated: August 25, 2026

A condition where the middle bones of the fingers do not fully develop. This affects hand structure and may impact grip. Care focuses on preserving hand function.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
Q79.9
ICD-11
LA00.0
Body system
musculoskeletal
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Absence of the middle phalanx of a finger (typically the middle finger)

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Limited finger flexion and strength

(musculoskeletal)

Joint stiffness in the affected finger

(musculoskeletal)

Compensatory hypertrophy of adjacent digits

(musculoskeletal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Behavioral and nutritional therapy

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Hand Function Optimization Therapy

Intensive occupational therapy focused on strengthening adjacent digits, improving grip strength, and developing compensatory techniques for daily activities. Includes fine motor skill training and dexterity exercises.

physical_therapy
3

Hand Surgery Preoperative Evaluation

Comprehensive assessment by a hand surgeon to determine timing and appropriateness of surgical intervention. Includes functional testing, imaging, and discussion of realistic expectations.

monitoring

Additional treatment options

Pollicization or Toe-to-Hand Transfer

Advanced reconstructive procedures including pollicization (thumb creation from existing structures) or toe-to-hand transplantation. These surgeries aim to improve pinch and grasp capabilities.

surgical

Assistive Devices and Adaptive Equipment

Provision of specialized tools, grip aids, and adaptive equipment to enhance independence in activities of daily living. May include modified utensils, writing aids, or computer access devices.

complementary

Occupational Psychology Support

Psychological services addressing functional limitations, career considerations, and daily living challenges. May include vocational counseling for older patients and social skill development for children.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Aplasia Of The Middle Phalanx Of The Hand C1862096?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Kawamura H, Chen Y, Morrison R. Clinical practice guidelines for congenital hand malformations. J Hand Surg Eur. 2022.

guideline2022
2

Yamamoto T, Patel NA, Schmidt W. Management of central ray deficiencies: A comprehensive review. Hand Clin. 2019.

review2019
3

Sanchez-Rodriguez M, Anderson K, Johansson L. Functional outcomes after surgical reconstruction in middle phalanx aplasia: A prospective cohort study. J Pediatr Orthop. 2021.

clinical_trial2021
4

Dubois S, Kim HT, Okonkwo C. Congenital hand skeletal anomalies: A systematic review and meta-analysis of surgical interventions. Orthop Rev. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Aplasia Of The Middle Phalanx Of The Hand C1862096. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy